Find the assessed amount:
12000 x 0.80 = 9600
Multiply the assessed amount by tax rate:
9600 x 0.015 = 144
He pay $144
Volume of a cylinder = area of base x height:
50.24 x 3 = 150.72 ft^3
Y = total amount
x = number of months
Equation : y = 20 + 10x
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Ans: y = 20 + 10x
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C(3) = -0.09(3)² + 3.5(3) + 8
= -0.09 * 9 + 10.5 + 8
= -0.81 + 18.5
= 17.69 parts per million